7 comments:

Answer: AHere we need to determine how many records will each iteration read from the raw data file.Remember the trailing @ definition, the next input statement will read from the current record in the same datastep iteration…So when we are using @ the total number of iterations would be directly proportional to the number of records in the raw data file….Take a hard look at each of the input statements the record ends a position 54 for diagnosis variable and a trailing @…so the variable age reads at probably 69 or before depending on the length of diagnosis…So each iteration would require only record from the data file.

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